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Precipitation and Galaxy Evolution

Event Details

Event Dates: 

Monday, February 1, 2016 - 4:00pm

Seminar Location: 

  • JILA Auditorium

Speaker Name(s): 

Megan Donahue

Speaker Affiliation(s): 

Michigan State University
Seminar Type/Subject

Scientific Seminar Type: 

  • Astrophysical & Planetary Sciences Colloquia

Event Details & Abstract: 

In massive galaxies and in clusters of galaxies, the thermodynamic state of the circumgalactic gas seems to regulate whether or not star formation is occurring in the central galaxy. I will discuss the observational evidence for this claim. I will also discuss implications for lower mass galaxies if regulation via precipitation triggering plays an important role in those galaxies as well. Physical predictions of this model will be presented.

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